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authorDaniel Dunbar <daniel@zuster.org>2010-11-27 08:22:29 +0000
committerDaniel Dunbar <daniel@zuster.org>2010-11-27 08:22:29 +0000
commit4ba1f5e0011fa0c17ff121634bf8e88270f3b52e (patch)
tree3624e0ae4221f2ec1c6b3b03dfb809fd945b9ef0 /tools/macho-dump
parent35bf4d6d8018160557a92b86181acbcef76f86eb (diff)
macho-dump: Add support for dumping segment load commands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120203 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/macho-dump')
-rw-r--r--tools/macho-dump/macho-dump.cpp61
1 files changed, 58 insertions, 3 deletions
diff --git a/tools/macho-dump/macho-dump.cpp b/tools/macho-dump/macho-dump.cpp
index 8bfd1890c64..34a95276652 100644
--- a/tools/macho-dump/macho-dump.cpp
+++ b/tools/macho-dump/macho-dump.cpp
@@ -65,20 +65,73 @@ static int DumpHeader(MachOObject &Obj) {
return 0;
}
+static void DumpSegmentCommandData(StringRef Name,
+ uint64_t VMAddr, uint64_t VMSize,
+ uint64_t FileOffset, uint64_t FileSize,
+ uint32_t MaxProt, uint32_t InitProt,
+ uint32_t NumSections, uint32_t Flags) {
+ outs() << " ('segment_name', '";
+ outs().write_escaped(Name, /*UseHexEscapes=*/true) << "')\n";
+ outs() << " ('vm_addr', " << VMAddr << ")\n";
+ outs() << " ('vm_size', " << VMSize << ")\n";
+ outs() << " ('file_offset', " << FileOffset << ")\n";
+ outs() << " ('file_size', " << FileSize << ")\n";
+ outs() << " ('maxprot', " << MaxProt << ")\n";
+ outs() << " ('initprot', " << InitProt << ")\n";
+ outs() << " ('num_sections', " << NumSections << ")\n";
+ outs() << " ('flags', " << Flags << ")\n";
+}
+
+static int DumpSegmentCommand(MachOObject &Obj,
+ const MachOObject::LoadCommandInfo &LCI) {
+ InMemoryStruct<macho::SegmentLoadCommand> SLC;
+ Obj.ReadSegmentLoadCommand(LCI, SLC);
+ if (!SLC)
+ return Error("unable to read segment load command");
+
+ DumpSegmentCommandData(StringRef(SLC->Name, 16), SLC->VMAddress, SLC->VMSize,
+ SLC->FileOffset, SLC->FileSize,
+ SLC->MaxVMProtection, SLC->InitialVMProtection,
+ SLC->NumSections, SLC->Flags);
+
+ return 0;
+}
+static int DumpSegment64Command(MachOObject &Obj,
+ const MachOObject::LoadCommandInfo &LCI) {
+ InMemoryStruct<macho::Segment64LoadCommand> SLC;
+ Obj.ReadSegment64LoadCommand(LCI, SLC);
+ if (!SLC)
+ return Error("unable to read segment load command");
+
+ DumpSegmentCommandData(StringRef(SLC->Name, 16), SLC->VMAddress, SLC->VMSize,
+ SLC->FileOffset, SLC->FileSize,
+ SLC->MaxVMProtection, SLC->InitialVMProtection,
+ SLC->NumSections, SLC->Flags);
+
+ return 0;
+}
+
static int DumpLoadCommand(MachOObject &Obj, unsigned Index) {
const MachOObject::LoadCommandInfo &LCI = Obj.getLoadCommandInfo(Index);
+ int Res = 0;
outs() << " # Load Command " << Index << "\n"
<< " (('command', " << LCI.Command.Type << ")\n"
<< " ('size', " << LCI.Command.Size << ")\n";
switch (LCI.Command.Type) {
+ case macho::LCT_Segment:
+ Res = DumpSegmentCommand(Obj, LCI);
+ break;
+ case macho::LCT_Segment64:
+ Res = DumpSegment64Command(Obj, LCI);
+ break;
default:
Warning("unknown load command: " + Twine(LCI.Command.Type));
break;
}
outs() << " ),\n";
- return 0;
+ return Res;
}
int main(int argc, char **argv) {
@@ -104,10 +157,12 @@ int main(int argc, char **argv) {
return Res;
// Print the load commands.
+ int Res = 0;
outs() << "('load_commands', [\n";
for (unsigned i = 0; i != InputObject->getHeader().NumLoadCommands; ++i)
- DumpLoadCommand(*InputObject, i);
+ if ((Res = DumpLoadCommand(*InputObject, i)))
+ break;
outs() << "])\n";
- return 0;
+ return Res;
}